18"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 35.75"h] w6h6 Actual Filter Size – 31

Actual Filter Size – 31 3/4"w x 23 3/4" x 1"

+ Product Details Size – 34" x 36" or 36" x 34" is the size for the duct opening measurement only

75"H – fits a 24" X 10" duct opening

7/8" Insulated Copper Coil Line - Seamless Pipe Tube for HVAC

18"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 35.75"h] w6h6 Actual Filter Size – 31+ Product Details Size 18"w X 34"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 19. 75" Width X 35. 75" Height Weather and Pest Proof These louvers are especially designed to prevent water from entering your home, and with a built in back 1 2" mesh they also protect you from annoying rodents like mice, rats, birds, and squirrels High Quality Aluminum The premium durable aluminum will never rust and it will never